CHAPTER 13 TROUBLESHOOTING
COPYRIGHT© 2002 CANON INC.
2000
CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002
13-26
3.3.4 The copy has uneven density. (darker along front)
3.3.5 The copy has uneven density. (lighter along front)
Image density
1) Is the image density setting appropriate?
NO:
Correct the image density setting.
Machine state
2) Execute ‘PRINT’. Is the output image normal? (See 5.5.5 of Chap-
ter 13.)
YES: Go to step 7.
Developing assembly
3) Is the developing assembly locked to the photosensitive drum
firmly? (Check to see if the rolls of the developing assembly are
firmly in contact.)
NO:
Mount the developing assembly correctly.
Transfer charging roller
4) Clean the transfer charging roller. Is the fault corrected?
YES: End.
Transfer charging roller
5) Try replacing the transfer charging roller. Is the fault corrected?
YES: End.
Drum unit
6) Try replacing the drum unit. Is the fault corrected?
YES: End.
Contact sensor (rod lens array)
7) Clean the rod les array of the contact sensor. Is the fault cor-
rected?
YES: End.
Gain auto adjustment
8) Execute gain auto adjustment. Is the fault corrected? (See 2.3.2 of
Chapter 13.)
YES: End.
CS unit
9) Are the CS unit an the spacers mounted correctly? Also, are the
spacers free of wear?
YES: Replace the contact sensor.
NO:
Correct the fault. If the correction is not possible, replace the
faulty part.
Содержание iR2000 Series
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